<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <!--Rendered using the Haskell Html Library v0.2--> <HTML ><HEAD ><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=UTF-8" ><TITLE >Text.JSON.Types</TITLE ><LINK HREF="haddock.css" REL="stylesheet" TYPE="text/css" ><SCRIPT SRC="haddock-util.js" TYPE="text/javascript" ></SCRIPT ><SCRIPT TYPE="text/javascript" >window.onload = function () {setSynopsis("mini_Text-JSON-Types.html")};</SCRIPT ></HEAD ><BODY ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="topbar" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD ><IMG SRC="haskell_icon.gif" WIDTH="16" HEIGHT="16" ALT=" " ></TD ><TD CLASS="title" >json-0.4.4: Support for serialising Haskell to and from JSON</TD ><TD CLASS="topbut" ><A HREF="src/Text-JSON-Types.html" >Source code</A ></TD ><TD CLASS="topbut" ><A HREF="index.html" >Contents</A ></TD ><TD CLASS="topbut" ><A HREF="doc-index.html" >Index</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="modulebar" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD ><FONT SIZE="6" >Text.JSON.Types</FONT ></TD ><TD ALIGN="right" ><TABLE CLASS="narrow" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="infohead" >Portability</TD ><TD CLASS="infoval" >portable</TD ></TR ><TR ><TD CLASS="infohead" >Stability</TD ><TD CLASS="infoval" >provisional</TD ></TR ><TR ><TD CLASS="infohead" >Maintainer</TD ><TD CLASS="infoval" >Sigbjorn Finne <sof@galois.com></TD ></TR ></TABLE ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="section4" ><B >Contents</B ></TD ></TR ><TR ><TD ><DL ><DT ><A HREF="#1" >JSON Types </A ></DT ><DT ><A HREF="#2" >Wrapper Types </A ></DT ></DL ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="section1" >Description</TD ></TR ><TR ><TD CLASS="doc" ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="section1" >Synopsis</TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="decl" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="decl" ><SPAN CLASS="keyword" >data</SPAN > <A HREF="#t%3AJSValue" >JSValue</A > </TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="decl" >= <A HREF="#v%3AJSNull" >JSNull</A ></TD ></TR ><TR ><TD CLASS="decl" >| <A HREF="#v%3AJSBool" >JSBool</A > !<A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Bool.html#t%3ABool" >Bool</A ></TD ></TR ><TR ><TD CLASS="decl" >| <A HREF="#v%3AJSRational" >JSRational</A > <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Bool.html#t%3ABool" >Bool</A > !<A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3ARational" >Rational</A ></TD ></TR ><TR ><TD CLASS="decl" >| <A HREF="#v%3AJSString" >JSString</A > <A HREF="Text-JSON-Types.html#t%3AJSString" >JSString</A ></TD ></TR ><TR ><TD CLASS="decl" >| <A HREF="#v%3AJSArray" >JSArray</A > [<A HREF="Text-JSON-Types.html#t%3AJSValue" >JSValue</A >]</TD ></TR ><TR ><TD CLASS="decl" >| <A HREF="#v%3AJSObject" >JSObject</A > (<A HREF="Text-JSON-Types.html#t%3AJSObject" >JSObject</A > <A HREF="Text-JSON-Types.html#t%3AJSValue" >JSValue</A >)</TD ></TR ></TABLE ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><SPAN CLASS="keyword" >newtype</SPAN > <A HREF="#t%3AJSString" >JSString</A > = <A HREF="#v%3AJSONString" >JSONString</A > {<TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="recfield" ><A HREF="#v%3AfromJSString" >fromJSString</A > :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Char.html#t%3AString" >String</A ></TD ></TR ></TABLE >}</TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3AtoJSString" >toJSString</A > :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Char.html#t%3AString" >String</A > -> <A HREF="Text-JSON-Types.html#t%3AJSString" >JSString</A ></TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><SPAN CLASS="keyword" >newtype</SPAN > <A HREF="#t%3AJSObject" >JSObject</A > e = <A HREF="#v%3AJSONObject" >JSONObject</A > {<TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="recfield" ><A HREF="#v%3AfromJSObject" >fromJSObject</A > :: [(<A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Char.html#t%3AString" >String</A >, e)]</TD ></TR ></TABLE >}</TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3AtoJSObject" >toJSObject</A > :: [(<A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Char.html#t%3AString" >String</A >, a)] -> <A HREF="Text-JSON-Types.html#t%3AJSObject" >JSObject</A > a</TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3Aget_field" >get_field</A > :: <A HREF="Text-JSON-Types.html#t%3AJSObject" >JSObject</A > a -> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Char.html#t%3AString" >String</A > -> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Maybe.html#t%3AMaybe" >Maybe</A > a</TD ></TR ><TR ><TD CLASS="s8" ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="#v%3Aset_field" >set_field</A > :: <A HREF="Text-JSON-Types.html#t%3AJSObject" >JSObject</A > a -> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Char.html#t%3AString" >String</A > -> a -> <A HREF="Text-JSON-Types.html#t%3AJSObject" >JSObject</A > a</TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="section1" ><A NAME="1" ><A NAME="1" >JSON Types </A ></A ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><SPAN CLASS="keyword" >data</SPAN > <A NAME="t:JSValue" ><A NAME="t%3AJSValue" ></A ></A ><B >JSValue</B > </TD ><TD CLASS="declbut" ><A HREF="src/Text-JSON-Types.html#JSValue" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="ndoc" ><P >JSON values </P ><P >The type to which we encode Haskell values. There's a set of primitives, and a couple of heterogenous collection types. </P ><P >Objects: </P ><P >An object structure is represented as a pair of curly brackets surrounding zero or more name/value pairs (or members). A name is a string. A single colon comes after each name, separating the name from the value. A single comma separates a value from a following name. </P ><P >Arrays: </P ><P >An array structure is represented as square brackets surrounding zero or more values (or elements). Elements are separated by commas. </P ><P >Only valid JSON can be constructed this way </P ></TD ></TR ><TR ><TD CLASS="section4" >Constructors</TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="1" CELLPADDING="0" ><TR ><TD CLASS="arg" ><A NAME="v:JSNull" ><A NAME="v%3AJSNull" ></A ></A ><B >JSNull</B ></TD ><TD CLASS="rdoc" ></TD ></TR ><TR ><TD CLASS="arg" ><A NAME="v:JSBool" ><A NAME="v%3AJSBool" ></A ></A ><B >JSBool</B > !<A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Bool.html#t%3ABool" >Bool</A ></TD ><TD CLASS="rdoc" ></TD ></TR ><TR ><TD CLASS="arg" ><A NAME="v:JSRational" ><A NAME="v%3AJSRational" ></A ></A ><B >JSRational</B > <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Bool.html#t%3ABool" >Bool</A > !<A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Prelude.html#t%3ARational" >Rational</A ></TD ><TD CLASS="rdoc" ></TD ></TR ><TR ><TD CLASS="arg" ><A NAME="v:JSString" ><A NAME="v%3AJSString" ></A ></A ><B >JSString</B > <A HREF="Text-JSON-Types.html#t%3AJSString" >JSString</A ></TD ><TD CLASS="rdoc" ></TD ></TR ><TR ><TD CLASS="arg" ><A NAME="v:JSArray" ><A NAME="v%3AJSArray" ></A ></A ><B >JSArray</B > [<A HREF="Text-JSON-Types.html#t%3AJSValue" >JSValue</A >]</TD ><TD CLASS="rdoc" ></TD ></TR ><TR ><TD CLASS="arg" ><A NAME="v:JSObject" ><A NAME="v%3AJSObject" ></A ></A ><B >JSObject</B > (<A HREF="Text-JSON-Types.html#t%3AJSObject" >JSObject</A > <A HREF="Text-JSON-Types.html#t%3AJSValue" >JSValue</A >)</TD ><TD CLASS="rdoc" ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="section4" ><IMG SRC="minus.gif" CLASS="coll" ONCLICK="toggle(this,'i:JSValue')" ALT="show/hide" > Instances</TD ></TR ><TR ><TD CLASS="body" ><DIV ID="i:JSValue" STYLE="display:block;" ><TABLE CLASS="vanilla" CELLSPACING="1" CELLPADDING="0" ><TR ><TD CLASS="decl" ><A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Eq.html#t%3AEq" >Eq</A > <A HREF="Text-JSON-Types.html#t%3AJSValue" >JSValue</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Text-JSON-Types.html#t%3AJSValue" >JSValue</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Text-Read.html#t%3ARead" >Read</A > <A HREF="Text-JSON-Types.html#t%3AJSValue" >JSValue</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Text-Show.html#t%3AShow" >Show</A > <A HREF="Text-JSON-Types.html#t%3AJSValue" >JSValue</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Text-JSON-Generic.html#t%3ATypeable" >Typeable</A > <A HREF="Text-JSON-Types.html#t%3AJSValue" >JSValue</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Text-JSON.html#t%3AJSON" >JSON</A > <A HREF="Text-JSON-Types.html#t%3AJSValue" >JSValue</A ></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="section1" ><A NAME="2" ><A NAME="2" >Wrapper Types </A ></A ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><SPAN CLASS="keyword" >newtype</SPAN > <A NAME="t:JSString" ><A NAME="t%3AJSString" ></A ></A ><B >JSString</B > </TD ><TD CLASS="declbut" ><A HREF="src/Text-JSON-Types.html#JSString" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="ndoc" >Strings can be represented a little more efficiently in JSON </TD ></TR ><TR ><TD CLASS="section4" >Constructors</TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="5" CELLPADDING="0" ><TR ><TD CLASS="arg" ><A NAME="v:JSONString" ><A NAME="v%3AJSONString" ></A ></A ><B >JSONString</B ></TD ><TD CLASS="rdoc" ></TD ></TR ><TR ><TD CLASS="body" COLSPAN="2" ><TABLE CLASS="vanilla" CELLSPACING="1" CELLPADDING="0" ><TR ><TD CLASS="arg" ><A NAME="v:fromJSString" ><A NAME="v%3AfromJSString" ></A ></A ><B >fromJSString</B > :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Char.html#t%3AString" >String</A ></TD ><TD CLASS="rdoc" ></TD ></TR ></TABLE ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="section4" ><IMG SRC="minus.gif" CLASS="coll" ONCLICK="toggle(this,'i:JSString')" ALT="show/hide" > Instances</TD ></TR ><TR ><TD CLASS="body" ><DIV ID="i:JSString" STYLE="display:block;" ><TABLE CLASS="vanilla" CELLSPACING="1" CELLPADDING="0" ><TR ><TD CLASS="decl" ><A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Eq.html#t%3AEq" >Eq</A > <A HREF="Text-JSON-Types.html#t%3AJSString" >JSString</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Ord.html#t%3AOrd" >Ord</A > <A HREF="Text-JSON-Types.html#t%3AJSString" >JSString</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Text-Read.html#t%3ARead" >Read</A > <A HREF="Text-JSON-Types.html#t%3AJSString" >JSString</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Text-Show.html#t%3AShow" >Show</A > <A HREF="Text-JSON-Types.html#t%3AJSString" >JSString</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Text-JSON-Generic.html#t%3ATypeable" >Typeable</A > <A HREF="Text-JSON-Types.html#t%3AJSString" >JSString</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Text-JSON.html#t%3AJSON" >JSON</A > <A HREF="Text-JSON-Types.html#t%3AJSString" >JSString</A ></TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><A NAME="v:toJSString" ><A NAME="v%3AtoJSString" ></A ></A ><B >toJSString</B > :: <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Char.html#t%3AString" >String</A > -> <A HREF="Text-JSON-Types.html#t%3AJSString" >JSString</A ></TD ><TD CLASS="declbut" ><A HREF="src/Text-JSON-Types.html#toJSString" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="doc" >Turn a Haskell string into a JSON string. </TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><SPAN CLASS="keyword" >newtype</SPAN > <A NAME="t:JSObject" ><A NAME="t%3AJSObject" ></A ></A ><B >JSObject</B > e </TD ><TD CLASS="declbut" ><A HREF="src/Text-JSON-Types.html#JSObject" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="0" CELLPADDING="0" ><TR ><TD CLASS="ndoc" >As can association lists </TD ></TR ><TR ><TD CLASS="section4" >Constructors</TD ></TR ><TR ><TD CLASS="body" ><TABLE CLASS="vanilla" CELLSPACING="5" CELLPADDING="0" ><TR ><TD CLASS="arg" ><A NAME="v:JSONObject" ><A NAME="v%3AJSONObject" ></A ></A ><B >JSONObject</B ></TD ><TD CLASS="rdoc" ></TD ></TR ><TR ><TD CLASS="body" COLSPAN="2" ><TABLE CLASS="vanilla" CELLSPACING="1" CELLPADDING="0" ><TR ><TD CLASS="arg" ><A NAME="v:fromJSObject" ><A NAME="v%3AfromJSObject" ></A ></A ><B >fromJSObject</B > :: [(<A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Char.html#t%3AString" >String</A >, e)]</TD ><TD CLASS="rdoc" ></TD ></TR ></TABLE ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="section4" ><IMG SRC="minus.gif" CLASS="coll" ONCLICK="toggle(this,'i:JSObject')" ALT="show/hide" > Instances</TD ></TR ><TR ><TD CLASS="body" ><DIV ID="i:JSObject" STYLE="display:block;" ><TABLE CLASS="vanilla" CELLSPACING="1" CELLPADDING="0" ><TR ><TD CLASS="decl" ><A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Typeable.html#t%3ATypeable1" >Typeable1</A > <A HREF="Text-JSON-Types.html#t%3AJSObject" >JSObject</A ></TD ></TR ><TR ><TD CLASS="decl" ><A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Eq.html#t%3AEq" >Eq</A > e => <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Eq.html#t%3AEq" >Eq</A > (<A HREF="Text-JSON-Types.html#t%3AJSObject" >JSObject</A > e)</TD ></TR ><TR ><TD CLASS="decl" ><A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Ord.html#t%3AOrd" >Ord</A > e => <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Ord.html#t%3AOrd" >Ord</A > (<A HREF="Text-JSON-Types.html#t%3AJSObject" >JSObject</A > e)</TD ></TR ><TR ><TD CLASS="decl" ><A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Text-Read.html#t%3ARead" >Read</A > e => <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Text-Read.html#t%3ARead" >Read</A > (<A HREF="Text-JSON-Types.html#t%3AJSObject" >JSObject</A > e)</TD ></TR ><TR ><TD CLASS="decl" ><A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Text-Show.html#t%3AShow" >Show</A > e => <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Text-Show.html#t%3AShow" >Show</A > (<A HREF="Text-JSON-Types.html#t%3AJSObject" >JSObject</A > e)</TD ></TR ><TR ><TD CLASS="decl" ><A HREF="Text-JSON.html#t%3AJSON" >JSON</A > a => <A HREF="Text-JSON.html#t%3AJSON" >JSON</A > (<A HREF="Text-JSON-Types.html#t%3AJSObject" >JSObject</A > a)</TD ></TR ></TABLE ></DIV ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><A NAME="v:toJSObject" ><A NAME="v%3AtoJSObject" ></A ></A ><B >toJSObject</B > :: [(<A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Char.html#t%3AString" >String</A >, a)] -> <A HREF="Text-JSON-Types.html#t%3AJSObject" >JSObject</A > a</TD ><TD CLASS="declbut" ><A HREF="src/Text-JSON-Types.html#toJSObject" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="doc" >Make JSON object out of an association list. </TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><A NAME="v:get_field" ><A NAME="v%3Aget_field" ></A ></A ><B >get_field</B > :: <A HREF="Text-JSON-Types.html#t%3AJSObject" >JSObject</A > a -> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Char.html#t%3AString" >String</A > -> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Maybe.html#t%3AMaybe" >Maybe</A > a</TD ><TD CLASS="declbut" ><A HREF="src/Text-JSON-Types.html#get_field" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="doc" >Get the value of a field, if it exist. </TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="topdecl" ><TABLE CLASS="declbar" ><TR ><TD CLASS="declname" ><A NAME="v:set_field" ><A NAME="v%3Aset_field" ></A ></A ><B >set_field</B > :: <A HREF="Text-JSON-Types.html#t%3AJSObject" >JSObject</A > a -> <A HREF="/usr/share/doc/ghc/html/libraries/base-4.2.0.2/Data-Char.html#t%3AString" >String</A > -> a -> <A HREF="Text-JSON-Types.html#t%3AJSObject" >JSObject</A > a</TD ><TD CLASS="declbut" ><A HREF="src/Text-JSON-Types.html#set_field" >Source</A ></TD ></TR ></TABLE ></TD ></TR ><TR ><TD CLASS="doc" >Set the value of a field. Previous values are overwritten. </TD ></TR ><TR ><TD CLASS="s15" ></TD ></TR ><TR ><TD CLASS="botbar" >Produced by <A HREF="http://www.haskell.org/haddock/" >Haddock</A > version 2.6.1</TD ></TR ></TABLE ></BODY ></HTML >